muckraker:
(plural: ‘muckrakers‘; pronunciation: ‘muck’… ‘raker’)

a muckraker, Carlos Fernando Chamorro, Nicaraguan journalist and television host, termed ‘muckraker’ for criticizing the Nicaraguan government
(in a negative sense) a person who spreads real or alleged (made up) scandals about others, especially in politics;
(in a negative sense) a mudslinger;
(in a positive sense) a person who exposes corruption and scandals in the society, especially in politics and business,
The Ruling Party member accused the Opposition Party member of being a muckraker for talking to the press reporters about the affair he had with a female member of his party.
It’s long believed that some cheap newspapers (tabloids) pay large sums of money to muckrakers for any sensational stories.
Gossipers are dangerous and mudslingers are more dangerous but the muckrakers are the ones the society needs the most because they investigate about corruption and dig out scandals and expose those corrupt people before the public!
